FR875986A - Process for photographic recording of sound or for making sound recordings - Google Patents

Process for photographic recording of sound or for making sound recordings

Info

Publication number
FR875986A
FR875986A FR875986DA FR875986A FR 875986 A FR875986 A FR 875986A FR 875986D A FR875986D A FR 875986DA FR 875986 A FR875986 A FR 875986A
Authority
FR
France
Prior art keywords
sound
photographic recording
making
recordings
sound recordings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR875986A publication Critical patent/FR875986A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
FR875986D 1940-10-15 1941-10-14 Process for photographic recording of sound or for making sound recordings Expired FR875986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE875986X 1940-10-15

Publications (1)

Publication Number Publication Date
FR875986A true FR875986A (en) 1942-10-09

Family

ID=6817513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875986D Expired FR875986A (en) 1940-10-15 1941-10-14 Process for photographic recording of sound or for making sound recordings

Country Status (1)

Country Link
FR (1) FR875986A (en)

Similar Documents

Publication Publication Date Title
FR872313A (en) Method and apparatus for the manufacture of matrices or relief impressions of sound recording tapes
FR875986A (en) Process for photographic recording of sound or for making sound recordings
FR875721A (en) Magnetic sound recording process
FR878125A (en) Process for the constitution of sound recordings
FR869512A (en) Method for making sound recordings
FR878147A (en) Magnetic sound recording process
FR875493A (en) Process for the manufacture of sound recording tracing chisels
FR878152A (en) Method for variable density sound recording
FR872894A (en) Electroacoustic apparatus for recording or reproducing sound vibrations
FR875762A (en) Process for the reproduction of sound recordings on color films
FR877278A (en) Mixed sound recording process
FR769674A (en) Process for photographic recording of sounds
FR872381A (en) Process for recording sounds and making these recordings
FR877592A (en) Method for inserting additions and modifications of dictations recorded by the magnetic sound process
FR844881A (en) Process for the continuous reproduction of photographically recorded sounds or images
FR840530A (en) Method for obtaining sound recordings
FR824945A (en) Push-pull process for the reproduction of sound recordings
FR833439A (en) Process for the production of photographic sound recordings
FR858490A (en) Method and devices for recording sound vibrations
FR790210A (en) Process for photographic sound recording
FR822482A (en) Process for the photographic sound reproduction of mechanically recorded sound tracks
FR865055A (en) Method and device for the mechanical recording or reproduction of sound
FR834719A (en) Device for the production of photographic sound recordings
FR871104A (en) Method of making sound recordings
FR878140A (en) Push-pull photographic sound record production process